How Do You Spell RUHMKORFF COIL?

Pronunciation: [ɹˈuːmkɔːf kˈɔ͡ɪl] (IPA)

The Ruhmkorff coil is an electrical device, named after its inventor Heinrich Ruhmkorff. This coil is commonly used in scientific experiments and demonstrations. The spelling of Ruhmkorff is not intuitive and may cause confusion. The IPA phonetic transcription of this word reveals that it is pronounced as /ˈrʊmkɔrf kɔɪl/. This may be helpful for those unfamiliar with the spelling of the word or for individuals who require accurate pronunciation. Properly spelling and pronouncing the word is important for clear communication and effective use of the device.

RUHMKORFF COIL Meaning and Definition

1. A Ruhmkorff coil, also known as an induction coil or induction transformer, is an electrical device that is primarily used to produce high voltage alternating current (AC) from a low voltage direct current (DC) source. It was invented by Heinrich Daniel Ruhmkorff, a German instrument maker, in the mid-19th century.

   The Ruhmkorff coil consists of two main parts: a primary coil and a secondary coil. The primary coil is connected to a low voltage DC power source, typically a battery, while the secondary coil is wound around the primary coil and coupled magnetically. The primary coil is interrupted by a vibrating interrupter or a mechanical switch, which creates a rapidly changing magnetic field. This changing magnetic field induces a high voltage in the secondary coil due to the principle of electromagnetic induction.

   The high voltage output generated by the Ruhmkorff coil can be several thousand volts, making it ideal for various applications such as scientific experiments, medical devices, and early telecommunications systems. It is commonly used in devices like cathode ray tubes, Geissler tubes, X-ray machines, and spark-gap radio transmitters.

   In summary, a Ruhmkorff coil is an induction coil that converts low voltage DC into high voltage AC through electromagnetic induction. It has played a significant role in many technological advancements, especially during the late 19th and early 20th centuries.

2. An induction-coil in which the secondary coil is not movable, as in the DuBois Reymond coil, but is fixed at the point of maximum intensity.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

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Etymology of RUHMKORFF COIL

The word "Ruhmkorff coil" is named after its inventor, Heinrich Daniel Ruhmkorff, a German instrument maker who was born in Hanover, Germany, in 1803. Ruhmkorff developed the coil in the mid-19th century and it became one of his most famous creations. The coil is a type of induction coil that generates high-voltage electricity and is often used in scientific experiments and early electrical devices. Due to its widespread use and recognition, it became known as the "Ruhmkorff coil" as a tribute to Heinrich Ruhmkorff's contributions to the field.

Plural form of RUHMKORFF COIL is RUHMKORFF COILS